All-electrical operation of magnetic vortex core memory cell

K. Nakano, D. Chiba, N. Ohshima, S. Kasai, T. Sato, Y. Nakatani, K. Sekiguchi, K. Kobayashi, T. Ono

Research output: Contribution to journalArticlepeer-review

40 Citations (Scopus)

Abstract

A single vortex-core switching in a ferromagnetic disk is detected in real time by using a three-terminal device with the tunneling magnetoresistance junction. We show that the device works as a vortex core memory cell, where reading and writing can be done in an all-electrical way: binary data corresponding to the core direction can be read out electrically as the amplitude of the output, while the data can be written electrically by applying a pulsed current.

Original languageEnglish
Article number262505
JournalApplied Physics Letters
Volume99
Issue number26
DOIs
Publication statusPublished - 2011 Dec 26

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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